linux-kernel - [PATCH 00/18] PCI: endpoint: Make pci-epf-test more flexible

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Date:   Fri, 18 Aug 2017 20:27:52 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>
CC:     Joao Pinto <Joao.Pinto@...opsys.com>,
        Arnd Bergmann <arnd@...db.de>, <gregkh@...uxfoundation.org>,
        <kishon@...com>, <nsekhar@...com>, <linux-pci@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>
Subject: [PATCH 00/18] PCI: endpoint: Make pci-epf-test more flexible

Hi Bjorn,

I've collected all the patches for PCI Endpoint in this series. This
series contains PCI endpoint fixes and making pci-epf-test more
flexible in terms of mapping PCI_ENDPOINT_TEST regs to any BARs,
work with linkup notification etc.

I've been having most of these patches in my local tree created while
adding support for endpoint in TI's K2G platform. I've also included fix
from others who are trying to use the PCI Endpoint Framework in their
own platforms.

It also contains minor changes in pci/dwc/ like resetting BARs in the
EP controller and providing a page size to pci_epc_mem. I can send this
part separately based on some of your branch if you'd prefer that.

This also contains patches for host side pci_endpoint_test driver
in drivers/misc.

I've pushed the series to pci-endpoint tree, the details of which are
given below.

Thanks
Kishon

The following changes since commit 5771a8c08880cdca3bfb4a3fc6d309d6bba20877:

  Linux v4.13-rc1 (2017-07-15 15:22:10 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git tags/pci-ep-for-4.14

for you to fetch changes up to 31802acb56e040bf5f269b2bad159583fc804d68:

  tools: PCI: Add a missing option help line (2017-08-18 19:23:36 +0530)

----------------------------------------------------------------
PCI: endpoint: for 4.14

PCI endpoint core:
 *) Add support for page size to be configurable (for managing address
    region within the controller)
 *) Add an API to get matching "pci_epf_device_id"
 *) Use of_dma_configure() to set initial dma mask of pci_epf device
 *) Do not abort if endpoint function drivers have not populated
    ->remove() callback

pci-epf-test function driver:
 *) Add support to poll early for host commands
 *) Add support to use _any_ BAR's to map PCI_ENDPOINT_TEST regs

pci_endpoint_test PCI driver:
 *) Add support for PCI_ENDPOINT_TEST regs to be mapped to any BAR
 *) Add support to provide aligned buffer addresses
 *) Enable/Disable MSI using module param

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>

----------------------------------------------------------------
Kishon Vijay Abraham I (16):
      PCI: endpoint: pci-epc-core: Use of_dma_configure() to set initial dma mask
      PCI: endpoint: pci-epf-core: Add an API to get matching "pci_epf_device_id"
      PCI: endpoint: pci-epf-core: Make ->remove() callback optional
      PCI: endpoint: pci-epc-mem: Add support for configurable page size
      PCI: endpoint: functions/pci-epf-test: Add "volatile" to pci_epf_test_reg
      PCI: endpoint: functions/pci-epf-test: Do not reset *command* inadvertently
      PCI: endpoint: functions/pci-epf-test: Add support to use _any_ BAR's to map PCI_ENDPOINT_TEST regs
      PCI: endpoint: functions/pci-epf-test: Add support to poll early for host commands
      PCI: dwc: designware: Provide page_size to pci_epc_mem
      PCI: dwc: dra7xx: Reset all BARs during initialization
      PCI: dwc: designware-ep: Do not disable BARs during initialization
      misc: pci_endpoint_test: Add support for PCI_ENDPOINT_TEST regs to be mapped to any BAR
      misc: pci_endpoint_test: Add support to provide aligned buffer addresses
      misc: pci_endpoint_test: Add support to not enable MSI interrupts
      misc: pci_endpoint_test: Avoid using hard coded BAR sizes
      misc: pci_endpoint_test: Enable/Disable MSI using module param

Shawn Lin (1):
      PCI: endpoint: functions/pci-epf-test: Remove the ->remove() callback

Stan Drozd (1):
      tools: PCI: Add a missing option help line

 drivers/misc/pci_endpoint_test.c              | 132 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----------------------
 drivers/pci/dwc/pci-dra7xx.c                  |  13 +++++++++++++
 drivers/pci/dwc/pcie-designware-ep.c          |   7 ++-----
 drivers/pci/dwc/pcie-designware.h             |   1 +
 drivers/pci/endpoint/functions/pci-epf-test.c |  99 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------------------------
 drivers/pci/endpoint/pci-epc-core.c           |  11 +++++++++--
 drivers/pci/endpoint/pci-epc-mem.c            |  59 ++++++++++++++++++++++++++++++++++++++++++++++++++---------
 drivers/pci/endpoint/pci-epf-core.c           |  21 +++++++++++++++++++--
 include/linux/pci-epc.h                       |   8 +++++++-
 include/linux/pci-epf.h                       |   2 ++
 tools/pci/pcitest.c                           |   1 +
 11 files changed, 276 insertions(+), 78 deletions(-)
-- 
2.11.0